/Engine/Plugins/MovieScene/MovieRenderPipeline/Source/MovieRenderPipelineCore/Public/MoviePipelineSetting.h
If true, then this setting will be included when searching for settings even if it was added transiently. This is used for the rare case where a setting needs to be run (to set reasonable default values) even if the user hasn't added it.
virtual bool IgnoreTransientFilters() const